AR Parts in 5.56x45mm NATO

VKTR Industries DI Bolt Carrier Group Chrome 5.56 / .223 Rem

LaRue Tactical Texas AR-15 Bolt Carrier Group 5.56x45mm NATO

Armaspec Takedown and Pivot Set AR-15 Stainless Steel

Battle Arms Development Bolt Carrier Group 5.56 NATO fits AR15 M16 Profile ArmorTI Coating

AR-STONER AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 7" Barrel

Strike Industries Rifle Thread Protector 5.56mm 1/2"-28 Thread Aluminum Blue

LBE Unlimited Cold Hammer Forged Barrel 5.56 14.5 Threaded Barrel for AR-15

LBE Unlimited Tri-Ports Flash Hider .223 Rem / 5.56 1/2x28 for AR-15

AR-STONER AR-15 Upper Receiver Kit

LANTAC Lamprey Plan B 5.56x45mm Flash Hider Suppressor Mount 1/2"-28 Long

Leapers UTG Quick Install Dust Cover .223 Rem / 5.56 NATO

Fail Zero AR15 Bolt Carrier GROUP

WMD Guns AR-15 Bolt Assembly Nickel Boron 5.56 / .223 Rem

WMD Guns NIB-X Bolt Carrier Group/HAMMER

WMD Guns Accent Kit

Rise Armament Blitz G2 Slide-and-Snap AR-15 Trigger Curved Red

Superlative Arms Bleed Off Set Screw Adjustable Low Profile Gas Block AR-15, LR-308 0.625" Stainless Steel

POF USA P415 Edge 5.56 NATO AR-15 Complete Upper 14 M-Lok Rail

Patriot Ordnance Factory Renegade Upper Black 5.56 10.5-inch

Yankee Hill Machine Mid Length Gas Tube AR-15, LR-308

Noveske Bolt Carrier Group AR-15 223 Remington, 5.56x45mm NATO, 300 AAC Blackout DLC Black

Ballistic Advantage HBAR Barrel 5.56 16 Threaded 1/2-28

Ballistic Advantage Modern Series 5.56 NATO 13.7 Barrel

Ballistic Advantage Classic Series Barrel for AR 15 5.56 14.3 Barrel